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Finding the Fourth Proportional to 62,970.50, 86,899.29 and 34,676.12

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Solution

The fourth proportional to 62,970.50, 86,899.29 and 34,676.12 is: 47,853.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,970.50 : 86,899.29 = 34,676.12 : x
  2. Step 2: Convert to fraction form
    62,970.50/86,899.29 = 34,676.12/x
  3. Step 3: Cross multiply
    62,970.50x = 86,899.29 × 34,676.12
  4. Step 4: Simplify right side
    62,970.50x = 3,013,330,207.95
  5. Step 5: Solve for x
    x = 3,013,330,207.95/62,970.50
  6. Step 6: Final answer
    x = 47,853.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.